Using Linux, I have a whole backup partition encrypted with Truecrypt. I've been using this device for more than a year. Sometimes (but not always) when I copy large numbers of files to the encrypted partition, I receive the error message:
Error splicing file: Input/output error
The encrypted device is then still readable, but not writable.
Why does this happen?
Is this the actual error, or is it confused?
Answer
Turns out the drive was on the way to failing. It was relocating bad sectors to a different place on the drive and no doubt failing intermittently.
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